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BartSMP [9]
3 years ago
13

Describe what happens to the molecules as water goes from ice to liquid to vapor. Be sure to explain what happens to the tempera

ture during the phase changes.
Chemistry
2 answers:
guapka [62]3 years ago
8 0
They speed up and move farther apart, this is as it heats up. hope this helped :3
stellarik [79]3 years ago
6 0
When water changes form the molecules are the ones most responsible. When water molecules get hot, the molecules expand. Or they spread out, moving quickly. When they cool they become compact. When temperatures reach 32F or 0C water becomes solid because the molecules come close together and stop moving. Because there is no movement you can't run your fingers through the molecules, it's<span> a solid.  </span>
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Answer:

P_4_{(I)}+5O_2_{(g)}+6H_2O_{(l)}\rightarrow +4H_3PO_4_{(l)}

Explanation:

The first step is:

P_4_{(I)}+5O_2_{(g)}\rightarrow 2P_2O_5_{(g)}

Second step is:

P_2O_5_{(g)}+3H_2O_{(l)}\rightarrow 2H_3PO_4_{(l)}

Multiplying second step by 2, and adding both the steps, we get that:

P_4_{(I)}+5O_2_{(g)}+2P_2O_5_{(g)}+6H_2O_{(l)}\rightarrow 2P_2O_5_{(g)}+4H_3PO_4_{(l)}

Cancelling common species, we get that:

P_4_{(l)}+5O_2_{(g)}+6H_2O_{(l)}\rightarrow +4H_3PO_4_{(l)}

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Answer:

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